tensorflow/models · error · ValueError

Detection module not implemented for {} model.

Error message

Detection module not implemented for {} model.

What it means

Error "Detection module not implemented for {} model." thrown in tensorflow/models.

Source

Thrown at official/projects/deepmac_maskrcnn/serving/detection.py:71

class DetectionModule(detection.DetectionModule):
  """Detection Module."""

  def _build_model(self):

    if self._batch_size is None:
      ValueError("batch_size can't be None for detection models")
    if self.params.task.model.detection_generator.nms_version != 'batched':
      ValueError('Only batched_nms is supported.')
    input_specs = tf_keras.layers.InputSpec(shape=[self._batch_size] +
                                            self._input_image_size + [3])

    if isinstance(self.params.task.model, cfg.DeepMaskHeadRCNN):
      model = deep_mask_head_rcnn.build_maskrcnn(
          input_specs=input_specs, model_config=self.params.task.model)
    else:
      raise ValueError('Detection module not implemented for {} model.'.format(
          type(self.params.task.model)))

    return model

  @tf.function
  def inference_for_tflite_image_and_boxes(
      self, images: tf.Tensor, boxes: tf.Tensor) -> Mapping[str, tf.Tensor]:
    """A tf-function for serve_image_and_boxes.

    Args:
      images: A [batch_size, height, width, channels] float tensor.
      boxes: A [batch_size, num_boxes, 4] float tensor containing boxes
        normalized to the input image.

    Returns:
      result: A dict containing:
        'detection_masks': A [batch_size, num_boxes, mask_height, mask_width]
          float tensor containing per-pixel mask probabilities.

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/projects/deepmac_maskrcnn/serving/detection.py:71 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of tensorflow/models@e006f5f0d5 (2026-08-24). Data as JSON: /api/errors/446e0331e682a04a. Report an issue: GitHub.